JPS6015969U - fuel injection nozzle - Google Patents
fuel injection nozzleInfo
- Publication number
- JPS6015969U JPS6015969U JP10795283U JP10795283U JPS6015969U JP S6015969 U JPS6015969 U JP S6015969U JP 10795283 U JP10795283 U JP 10795283U JP 10795283 U JP10795283 U JP 10795283U JP S6015969 U JPS6015969 U JP S6015969U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle body
- nozzle
- needle valve
- oil reservoir
- fuel injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の燃料噴射ノズルを示す部分拡大断面図、
第２〜５図は本考案の燃料噴射ノズルの一実施例を示す
図であり、第２図はその部分拡大断面図、第３図はその
作用を説明するための図であり、第３図ａはその部分拡
大断面図、第３図すは第３図ａの要部拡大図、第４図は
そのリフト特性をリフト量と流路面積との関係で示した
図、第５図はそのリフト量と燃料噴射量との関係を示し
た図である。
１１・・・・・・ノズルボディ、１２・・・・・・シー
ト部、１３・・・・・・噴孔、１５・・・・・・油溜り
、１７・・・・・・円錐部、１８・二・・・・ニードル
バルブ
２０・・・・・・円柱部、２１・・・・・・プレッシャ
ステージ、２２・・・・・・流路。FIG. 1 is a partially enlarged sectional view showing a conventional fuel injection nozzle;
2 to 5 are views showing one embodiment of the fuel injection nozzle of the present invention, FIG. 2 is a partially enlarged sectional view thereof, FIG. 3 is a view for explaining its operation, and FIG. Fig. 3 is an enlarged view of the main part of Fig. 3a, Fig. 4 is a diagram showing its lift characteristics in terms of the relationship between lift amount and flow path area, and Fig. 5 is its partial enlarged sectional view. It is a figure showing the relationship between lift amount and fuel injection amount. 11... Nozzle body, 12... Seat part, 13... Nozzle hole, 15... Oil reservoir, 17... Conical part, 18.2...Needle valve 20...Cylindrical part, 21...Pressure stage, 22...Flow path.
Claims (1)
ィ内に移動可能に収納されたニードルバルブと、を備え
、前記ノズルボディが、加圧燃料の供給される油溜りと
、油溜りと噴孔との間に形成されたシート部と、を有し
、前記ニードルバルブが、前記シート部に着座可能なフ
ェイス部と、前記油溜りに位置するプレッシャステージ
と、を有し、ニードルバルブが油溜りに供給される燃料
油圧によりそのフェイス部がシート部から離れる方向に
リフトされる燃料噴射ノズルにおいて、前記フェイス部
とプレッシャステージの間のニードルバルブと、前記シ
ート部と油溜すの間のノズルボディと、の間に円筒状の
流路を形成するとともにノズルボディの該部分をシート
部側から油溜り側に向かってテーパ状に拡径し、ニード
ルバルブのリフト方向に向かって該流路面積が増大する
よ−うにしたことを特徴とする燃料噴射ノズル。The nozzle body includes a nozzle body with a nozzle hole formed at its tip, and a needle valve movably housed within the nozzle body, and the nozzle body is connected to an oil reservoir to which pressurized fuel is supplied, and between the oil reservoir and the jet. a seat portion formed between the needle valve and the hole; the needle valve has a face portion that can be seated on the seat portion; and a pressure stage located in the oil reservoir; In a fuel injection nozzle whose face portion is lifted in a direction away from a seat portion by fuel oil pressure supplied to a reservoir, a needle valve between the face portion and a pressure stage and a nozzle between the seat portion and the oil reservoir. A cylindrical flow path is formed between the nozzle body and the nozzle body, and the diameter of this part of the nozzle body is tapered from the seat side toward the oil reservoir side, and the flow path area increases toward the lift direction of the needle valve. 1. A fuel injection nozzle characterized in that:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10795283U JPS6015969U (en) | 1983-07-12 | 1983-07-12 | fuel injection nozzle |
| US06/519,265 US4540126A (en) | 1982-04-08 | 1983-08-01 | Fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10795283U JPS6015969U (en) | 1983-07-12 | 1983-07-12 | fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6015969U true JPS6015969U (en) | 1985-02-02 |
Family
ID=33429019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10795283U Pending JPS6015969U (en) | 1982-04-08 | 1983-07-12 | fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6015969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107361U (en) * | 1988-01-12 | 1989-07-19 |
-
1983
- 1983-07-12 JP JP10795283U patent/JPS6015969U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107361U (en) * | 1988-01-12 | 1989-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59116572U (en) | Throttle type fuel injection nozzle | |
| JPS6015969U (en) | fuel injection nozzle | |
| JPS58189366U (en) | Hole type fuel injection nozzle | |
| JPS6049262U (en) | Diesel engine fuel injection valve | |
| JPS6336662U (en) | ||
| JPS60153876U (en) | fuel injection nozzle | |
| JPS5949774U (en) | fuel injection nozzle | |
| JPS5848981U (en) | fuel injection nozzle device | |
| JPS6123462U (en) | fuel injection valve | |
| JPS6131717U (en) | Needle valve device for injection molding machine | |
| JPS6125573U (en) | fuel injection valve | |
| JPS59110379U (en) | fuel injection nozzle | |
| JPS6095170U (en) | fuel injection nozzle | |
| JPS611660U (en) | Diesel engine fuel injection nozzle | |
| JPS5913666U (en) | fuel injection valve | |
| JPS59130069U (en) | internal combustion engine fuel injection valve | |
| JPS60159883U (en) | Fuel injection nozzle structure | |
| JPS60185057U (en) | Hole type fuel injection nozzle | |
| JPS59175671U (en) | fuel injection valve | |
| JPS59194567U (en) | fuel injection nozzle | |
| JPS5914965U (en) | fuel injection nozzle | |
| JPS5939773U (en) | fuel injection nozzle | |
| JPS591867U (en) | Diesel engine fuel injection system | |
| JPS5824460U (en) | fuel injector | |
| JPS6077774U (en) | Hole type fuel injection nozzle |